This Celebrations battery powered candle uses the latest LED technology. These candles have an auto on/off feature with energy saving bulbs making it a long lasting lighting and decorating solution for your home this holiday season. Highlights: Measures 9" Flickering LED bulb Requires 2 "AA" batteries (not included) Lasts up to 50 days with 1 set of batteries Timer inside candle stays on 8 hours and turns off for 16 hours Per package of 4